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The Minerals and earth crust Quiz Questions and Answers PDF (Minerals and Earth Crust Quiz PDF e-Book) download Ch. 9-19 to learn Earth Science Course. Solve Rocks and Minerals MCQs PDF, Minerals and Earth Crust Quiz Questions and Answers to study distance learning courses. Free Minerals and Earth Crust Quiz App – Download Earth Science App to learn rocks and minerals, mining of minerals, minerals groups, use of minerals test prep for distance learning classes.

The MCQ: Two methods used in mining are; "Minerals and Earth Crust Quiz" App (iOS, Android) with answers: surface mining and open cast mining, surface mining and underground mining, underground mining and underwater mining, and surface mining and subsurface mining to study distance learning courses. Study Rocks and Minerals MCQ Questions, download Google Book (Free Chapter) for online school classes.

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MCQ 91: The two methods used in mining are:

  1. surface mining and underground mining
  2. surface mining and open cast mining
  3. underground mining and underwater mining
  4. surface mining and subsurface mining

MCQ 92: Surface coal mining is sometimes known as:

  1. strip mining
  2. open cast mining
  3. parallel mining
  4. perpendicular mining

MCQ 93: Silicate minerals make about:

  1. 50% of Earth's crust
  2. 70% of Earth's crust
  3. 80% of Earth's crust
  4. 90% of Earth's crust

MCQ 94: Coal near the surface is extracted by:

  1. open pits
  2. underground mines
  3. surface coal mines
  4. explosive mines

MCQ 95: Nonmetallic minerals are good insulators of:

  1. heat only
  2. electricity only
  3. heat and electricity both
  4. light and sound

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